from machine import Pin, SoftI2C
from ssd1306 import SSD1306_I2C

i2c = SoftI2C(sda=Pin(21), scl=Pin(22))
display = SSD1306_I2C(128, 64, i2c)

display.fill(0)

display.fill_rect(0, 0, 128, 64, 1)

display.fill_rect(0, 0, 20, 20, 0)
display.fill_rect(4, 4, 12, 12, 1)

display.fill_rect(108, 0, 20, 20, 0)
display.fill_rect(112, 4, 12, 12, 1)

display.fill_rect(0, 44, 20, 20, 0)
display.fill_rect(4, 48, 12, 12, 1)

display.fill_rect(108, 44, 20, 20, 0)
display.fill_rect(112, 48, 12, 12, 1)

display.fill_rect(44, 13, 38, 38, 0)
display.fill_rect(48, 17, 30, 30, 1)

display.text('U', 58, 16, 0)
display.text('S', 58, 24, 0)
display.text('E', 58, 32, 0)
display.text('R', 58, 40, 0)

display.show()